Audi has unveiled its new V12 TDI turbodiesel at the 2007 North American Auto Show in Detroit. The V12 which Audi calls the "majestic" has aroused various reactions from the crowd. Most of the people present at the Auto Show think that majestic is not an accurate description of the 6L diesel that cranks 500HP and 737 lb-ft of torque power.
The great power of the V12 TDI is produced through a pair of variable-vane turbochargers that apply 1.6 bar (24PSI) of pressure to the intercooled intake charge. The direct injection system of the TDI which employs piezoelectric injectors to spray fuel together with the multiple pre and post combustion events at an amazing 2000 bar (30,000 PSI) also helps in powering up the TDI. Audi has also made sure that the TDI meets up with the 2010 Euro-5 standard by means of its heavy use of exhaust gas circulation that keeps emission level down.
The power produced by the TDI is then fed to its all-wheel-drive system that maintains a 40:60 front-rear balance that gives this car the "slightly tail-heavy, sporty handling characteristics." And to bring this monster car to a halt, Audi has equipped it with a set of monstrous disc brakes that are specially fitted for the TDI. Its interior is trimmed with white leather and light-colored carbon filter.
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